fix: JWT密钥YAML格式和401错误处理

- 修复JWT密钥在YAML配置文件中未加引号导致解析错误的问题
- 添加dashboard页面401错误处理，自动清除token并跳转登录页

backend/internal/router/install/install.go

@@ -299,7 +299,7 @@ func generateConfigFile(dbType string, req SetupRequest, jwtSecret string) strin
 	content.WriteString("  name: verification-platform\n")
 	content.WriteString("  env: production\n")
 	content.WriteString("  port: \"8080\"\n")
-	content.WriteString(fmt.Sprintf("  jwt_secret: %s\n", jwtSecret))
+	content.WriteString(fmt.Sprintf("  jwt_secret: \"%s\"\n", jwtSecret))
 	content.WriteString("  jwt_expire: 24h\n\n")
 
 	content.WriteString("# 数据库配置\n")

frontend/src/pages/admin/index.vue

@@ -145,6 +145,7 @@ async function fetchDashboard() {
     const token = localStorage.getItem('token')
     if (!token) {
       console.error('No token found')
+      router.push('/login')
       return
     }
 
@@ -154,6 +155,13 @@ async function fetchDashboard() {
       },
     })
 
+    if (response.status === 401) {
+      localStorage.removeItem('token')
+      localStorage.removeItem('user')
+      router.push('/login')
+      return
+    }
+
     if (!response.ok) {
       throw new Error(`HTTP error! status: ${response.status}`)
     }